package com.itheima.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.mapper.UserMapper;
import com.itheima.po.User;
import com.itheima.service.UserService;
import org.springframework.stereotype.Service;

@Service  /**如果不加这个注解，将无法实现*/
public class UserServiceImpl extends ServiceImpl<UserMapper,User> implements UserService {
    /**
     * 继承的ServiceImpl实现类已经实现了IService所以只要继承了这个实现类即可
     *
     */
}
